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authorMasahiro Yamada <yamada.masahiro@socionext.com>2016-04-21 05:43:18 (GMT)
committerMasahiro Yamada <yamada.masahiro@socionext.com>2016-04-24 00:54:08 (GMT)
commit9d0c2ceb35be7016977560a92fc67e3e704e5c9f (patch)
tree67f17e8bbc13a293b7d24f7789a3fb0692c1e284 /arch/arm/mach-uniphier/boot-mode/boot-mode-ld20.c
parent881aa5a79a94a65500959428328f348a18d3d9fe (diff)
downloadu-boot-fsl-qoriq-9d0c2ceb35be7016977560a92fc67e3e704e5c9f.tar.xz
ARM: uniphier: add PH1-LD20 SoC support
This is the first ARMv8 SoC from Socionext Inc. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'arch/arm/mach-uniphier/boot-mode/boot-mode-ld20.c')
-rw-r--r--arch/arm/mach-uniphier/boot-mode/boot-mode-ld20.c77
1 files changed, 77 insertions, 0 deletions
diff --git a/arch/arm/mach-uniphier/boot-mode/boot-mode-ld20.c b/arch/arm/mach-uniphier/boot-mode/boot-mode-ld20.c
new file mode 100644
index 0000000..100275e
--- /dev/null
+++ b/arch/arm/mach-uniphier/boot-mode/boot-mode-ld20.c
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2016 Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <spl.h>
+#include <linux/io.h>
+
+#include "../sg-regs.h"
+#include "boot-device.h"
+
+static struct boot_device_info boot_device_table[] = {
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 8, EraseSize 128KB, Addr 4)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 16, EraseSize 128KB, Addr 4)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 8, EraseSize 128KB, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 16, EraseSize 128KB, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 8, EraseSize 256KB, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 16, EraseSize 256KB, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 8, EraseSize 512KB, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 16, EraseSize 512KB, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 8, EraseSize 128KB, Addr 4)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 16, EraseSize 128KB, Addr 4)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 8, EraseSize 128KB, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 16, EraseSize 128KB, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 8, EraseSize 256KB, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 16, EraseSize 256KB, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 8, EraseSize 512KB, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 16, EraseSize 512KB, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 8, ONFI, Addr 4)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 16, ONFI, Addr 4)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 8, ONFI, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 16, ONFI, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 8, ONFI Addr 4)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 16, ONFI Addr 4)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 8, ONFI Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 16, ONFI Addr 5)"},
+ {BOOT_DEVICE_MMC1, "eMMC (Legacy, 4bit, 1.8V, Training Off)"},
+ {BOOT_DEVICE_MMC1, "eMMC (Legacy, 4bit, 1.8V, Training On)"},
+ {BOOT_DEVICE_MMC1, "eMMC (Legacy, 8bit, 1.8V, Training Off)"},
+ {BOOT_DEVICE_MMC1, "eMMC (Legacy, 8bit, 1.8V, Training On)"},
+ {BOOT_DEVICE_MMC1, "eMMC (High Speed SDR, 8bit, 1.8V, Training Off)"},
+ {BOOT_DEVICE_MMC1, "eMMC (High Speed SDR, 8bit, 1.8V, Training On)"},
+ {BOOT_DEVICE_MMC1, "eMMC (Legacy, 4bit, 1.8V, Training Off)"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+};
+
+static int get_boot_mode_sel(void)
+{
+ return (readl(SG_PINMON0) >> 1) & 0x1f;
+}
+
+u32 uniphier_ld20_boot_device(void)
+{
+ int boot_mode;
+
+ if (~readl(SG_PINMON0) & 0x00000780)
+ return BOOT_DEVICE_USB;
+
+ boot_mode = get_boot_mode_sel();
+
+ return boot_device_table[boot_mode].type;
+}
+
+void uniphier_ld20_boot_mode_show(void)
+{
+ int mode_sel, i;
+
+ mode_sel = get_boot_mode_sel();
+
+ puts("Boot Mode Pin:\n");
+
+ for (i = 0; i < ARRAY_SIZE(boot_device_table); i++)
+ printf(" %c %02x %s\n", i == mode_sel ? '*' : ' ', i,
+ boot_device_table[i].info);
+}